diff --git a/common/hw-gfx-gma.adb b/common/hw-gfx-gma.adb
index 387d6bd..94f3ceb 100644
--- a/common/hw-gfx-gma.adb
+++ b/common/hw-gfx-gma.adb
@@ -401,6 +401,7 @@
          Connectors.Post_All_Off;
          PLLs.All_Off;
          Power_And_Clocks.Post_All_Off;
+         Registers.Clear_Fences;
       else
          -- According to PRMs, VGA plane is the only thing
          -- that's enabled by default after reset.